Show and definite impression of the main points Does present vividly what portrays? it it in the picture? Relative size of items - Is there something in the picture whose size is known to the observer so that he can obtain a correct mental image of any new objects in the picture? in the picture - Does the picture if of living things show action as man or beast performing activities in his natural environment? Action Photography - Is the photography sharp? Are lines and edges sharp? Was the slide properly processed so that it is neither too light nor too dark? - Is the slide artistic in its general effect? Was it photographed from the proper angle? If there is color is the color pleasing and natural? Artistry quality - Is the slide free from blemishes smudges scratches and blurs? Is it substantially bound? Does it have a thumb mark? Is it captioned Mechanical To use Evaluation and selection of pictures must be fectively they suggested dards or 1 ‘ 2 3 selected carefully criteria for judging a picture and Roberts have These standards are: Is it purposeful? Relevant? Significant? Does it show clearly the points desired? Will it really aid? Specif ically just how? Is it truthful? Authentic? Up to date? Complete? Is it easily understood? in emphasis? it stimulative? seriously? Kinder York: ef- of the more important technical and instructional stan- some Is New McKnown pictures James S American Book Co Simple in composition? Proper Interesting? Will the pupils study Audio-Visu- Materials and Techniques al 1950 pp 170-1- 71 it |